Bands

Mordant Rapture

United States · Symphonic/Technical Black/Death Metal

Mother Iron Horse

United States · Stoner/Sludge Metal

Murkocet

United States · Death

Mutilated Tyrant

United States · Black/Death Metal

Mutoid Man

United States · Sludge / Post

Mythologik

United States · Thrash/Melodic Death Metal

Necrodemon

United States · Death/Thrash Metal

Nefarious Heart

United States · Death/Black Metal

Nocturnal Vengeance

United States · Black Metal

NoHiDefView

United States · Heavy/Thrash Metal/Metalcore

Nosk of the Void

United States · Black Metal

November Fire

United States · Doom

Old Moon

United States · Melodic Black Metal

Organ Dealer

United States · Grindcore

Ossuary Wraith

United States · Black Metal

Our Daily Trespasses

United States · Black

Outnumber the Living

United States · Melodic Death Metal

ØVI

United States · Death/Black Metal

O Zorn!

United States · Doom Metal/Rock

Paria

United States · Metalcore/Mathcore (early); Progressive/Technical Metalcore (later)

Patriarchs in Black

United States · Southern/Doom Metal

Patterns of Decay

United States · Melodic Death Metal/Metalcore

Phase Meridian

United States · Progressive Sludge Metal

Presto Ballet

United States · Progressive Metal/Rock